feat: initial microvm framework

modules/nixos/optional/microvm-guest.nix

@@ -0,0 +1,64 @@
+{ lib, config, ... }:
+{
+  options.swarselmodules.optional.microvmGuest = lib.mkEnableOption "optional microvmGuest settings";
+  # imports = [
+  #   inputs.microvm.nixosModules.microvm
+  #   "${self}/profiles/nixos"
+  #   "${self}/modules/nixos"
+  # ];
+  config = lib.mkIf config.swarselmodules.optional.microvmGuest
+    {
+      # imports = [
+      #   inputs.microvm.nixosModules.microvm
+
+      #   "${self}/profiles/nixos"
+      #   "${self}/modules/nixos"
+      # ];
+
+      boot.kernelParams = [ "systemd.hostname=${config.networking.hostName}" ];
+
+      node.name = config;
+      documentation.enable = lib.mkForce false;
+
+      microvm = {
+        guest.enable = lib.mkForce true;
+        hypervisor = lib.mkDefault "qemu";
+        mem = lib.mkDefault 1024 * 4;
+        vcpu = lib.mkDefault 4;
+        optimize.enable = false;
+        writableStoreOverlay = "/nix/.rw-store";
+
+        # interfaces = flip lib.mapAttrsToList guestCfg.microvm.interfaces (
+        #   _: { mac, hostLink, ...}:
+        #   {
+        #     type = "macvtap";
+        #     id = "vm-${replaceStrings [ ":" ] [ "" ] mac}";
+        #     inherit mac;
+        #     macvtap = {
+        #       link = hostLink;
+        #       mode = "bridge";
+        #     };
+        #   }
+        # );
+        shares =
+          [
+            {
+              source = "/nix/store";
+              mountPoint = "/nix/.ro-store";
+              tag = "ro-store";
+              proto = "virtiofs";
+            }
+          ];
+      };
+      # systemd.network.networks = lib.flip lib.concatMapAttrs guestCfg.microvm.interfaces (
+      #   name:
+      #   { mac, ... }:
+      #   {
+      #     "10-${name}".matchConfig = mkForce {
+      #       MACAddress = mac;
+      #     };
+      #   }
+      # );
+
+    };
+}

modules/nixos/optional/microvm-host.nix

@@ -0,0 +1,15 @@
+{ lib, config, ... }:
+{
+  options.swarselmodules.optional.microvmHost = lib.mkEnableOption "optional microvmHost settings";
+  # imports = [
+  #   inputs.microvm.nixosModules.host
+  # ];
+
+  config = lib.mkIf (config.swarselmodules.optional.microvmHost && config.swarselsystems.withMicroVMs) {
+
+    microvm = {
+      hypervisor = lib.mkDefault "qemu";
+    };
+  };
+
+}